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find the probability that customers occupying 25 tables would have an average time of less than dine restaurant is 1.2 hours with a standard deviation of 0.4 hour. A food entrepreneur wants to For questions 5-8. A study shows that the normal time that a customer occupied a table in a6 1 hour. 5. What is the value of the mean of the sample means? С. 1.2 D. 25 A. 0.3 В. 1 6. What is the value of the standard deviation of the sampling distribution? A. 0.08 В. О.4 С. 1.2 D. 1

find the probability that customers occupying 25 tables would have an average time of less than dine restaurant is 1.2 hours with a standard deviation of 0.4 hour. A food entrepreneur wants to For questions 5-8. A study shows that the normal time that a customer occupied a table in a6 1 hour. 5. What is the value of the mean of the sample means? С. 1.2 D. 25 A. 0.3 В. 1 6. What is the value of the standard deviation of the sampling distribution? A. 0.08 В. О.4 С. 1.2 D. 1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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4. Consider a normal population mean of 89 and population standard deviation of 63 Calculate the z-score for X-85 and n=25 A. 0.63 B. 3.17 C. -0.63 D. -3.17 For questions 5-8. A study shows that the normal time that a customer occupied a table in as dine restaurant is 1.2 hours with a standard deviation of 0.4 hour. A food entrepreneur want,e find the probability that customers occupying 25 tables would have an average time of less i 1 hour. 5. What is the value of the mean of the sample means? A. 0.3 В. 1 C. 1.2 D. 25 6. What is the value of the standard deviation of the sampling distribution? С. 1.2 D. 1 A. 0.08 В. О.4 7. Which of the following probability notations represents the z-score? A. P(z> 2.50) B. P(z<2.50) C. P( z<-2.50) D. P(z> -2.50) 8. What is the probability that the customers occupying 25 tables would have an average time of less than 1 hour? С. 99% D. 0.99% A. 62% В. 0.62% For questions 9-12. The average time for a one-way trip for a student to go to school is 24 minutes with a standard deviation of 8 minutes. If a sample of 40 students is selected at random, what is the probability that the meantime to commute is faster than 20 minutes? 9. If the sample of 40 are repeatedly taken from the population, what is the approximate value of the mean of the sample means? С. 24 D. 40 A. 8 В. 20 10. What is the value of the standard deviation of the sampling distribution? Grollol sdle A, 1.27 B. 2.58 С.4 D. 24 11. Which of the following probability notations represents the z-score? d lo sular sTt lo A. P(z<3.16) C. P(z<-3.16) 106 STATISTICS AND PROBABILITY A MODERN APPROACH FOR THE NEW GENERATION
Transcribed Image Text:4. Consider a normal population mean of 89 and population standard deviation of 63 Calculate the z-score for X-85 and n=25 A. 0.63 B. 3.17 C. -0.63 D. -3.17 For questions 5-8. A study shows that the normal time that a customer occupied a table in as dine restaurant is 1.2 hours with a standard deviation of 0.4 hour. A food entrepreneur want,e find the probability that customers occupying 25 tables would have an average time of less i 1 hour. 5. What is the value of the mean of the sample means? A. 0.3 В. 1 C. 1.2 D. 25 6. What is the value of the standard deviation of the sampling distribution? С. 1.2 D. 1 A. 0.08 В. О.4 7. Which of the following probability notations represents the z-score? A. P(z> 2.50) B. P(z<2.50) C. P( z<-2.50) D. P(z> -2.50) 8. What is the probability that the customers occupying 25 tables would have an average time of less than 1 hour? С. 99% D. 0.99% A. 62% В. 0.62% For questions 9-12. The average time for a one-way trip for a student to go to school is 24 minutes with a standard deviation of 8 minutes. If a sample of 40 students is selected at random, what is the probability that the meantime to commute is faster than 20 minutes? 9. If the sample of 40 are repeatedly taken from the population, what is the approximate value of the mean of the sample means? С. 24 D. 40 A. 8 В. 20 10. What is the value of the standard deviation of the sampling distribution? Grollol sdle A, 1.27 B. 2.58 С.4 D. 24 11. Which of the following probability notations represents the z-score? d lo sular sTt lo A. P(z<3.16) C. P(z<-3.16) 106 STATISTICS AND PROBABILITY A MODERN APPROACH FOR THE NEW GENERATION
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